（）是将高温高压燃气中的能量转变为机械能的部件。
参考答案：透平
We must apply what we have learned to our daily work because in no case _____ from practice.
A．should theory separate
B．should theory be separated
C．theory should separate
D．theory should be separated
种子标签上的植物检疫证明编号是什么涵义？
